This crustacean is known from southern Washington to southern California, USA.
In adults, the head and first thoracic segment are not fused.
It is known from sandy and rocky bottoms.
In adults, the first abdominal unit has three suture lines and two small triangular projections on its rear margin.
In adults, each uropod has two branches, with a slender, spine-like outer branch.
An extinction-risk assessment has not been added yet.